# jest

> **Module** in `langsmith`

📖 [View in docs](https://reference.langchain.com/javascript/langsmith/jest)

## Signature

```javascript
jest
```

## Methods

- [`wrapEvaluator()`](https://reference.langchain.com/javascript/langsmith/jest/wrapEvaluator)
- [`wrapJest()`](https://reference.langchain.com/javascript/langsmith/jest/wrapJest)
- [`logFeedback()`](https://reference.langchain.com/javascript/langsmith/jest/logFeedback)
- [`logOutputs()`](https://reference.langchain.com/javascript/langsmith/jest/logOutputs)

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[View source on GitHub](https://github.com/langchain-ai/langsmith-sdk/blob/3661dbdace8294e443b6512d185bb9400e503213/js/src/jest/index.ts#L1)